/* Parses the action="foo" tags in JOSM change files. Obvisouly not useful from osmChange files */ static actions_t ParseAction(char **token, int tokens, struct osmdata_t *osmdata) { if( osmdata->filetype == FILETYPE_OSMCHANGE || osmdata->filetype == FILETYPE_PLANETDIFF ) return osmdata->action; actions_t new_action = ACTION_NONE; char *action = extractAttribute(token, tokens, "action"); if( action == NULL ) new_action = ACTION_CREATE; else if( strcmp((char *)action, "modify") == 0 ) new_action = ACTION_MODIFY; else if( strcmp((char *)action, "delete") == 0 ) new_action = ACTION_DELETE; else { fprintf( stderr, "Unknown value for action: %s\n", (char*)action ); exit_nicely(); } return new_action; }
static void StartElement(char *name, char *line, struct osmdata_t *osmdata) { char *xid, *xlat, *xlon, *xk, *xv, *xrole, *xtype; char *token[255]; int tokens = 0; int quote = 0; char *i; if (osmdata->filetype == FILETYPE_NONE) { if (!strcmp(name, "?xml")) return; if (!strcmp(name, "osm")) { osmdata->filetype = FILETYPE_OSM; osmdata->action = ACTION_CREATE; } else if (!strcmp(name, "osmChange")) { osmdata->filetype = FILETYPE_OSMCHANGE; osmdata->action = ACTION_NONE; } else if (!strcmp(name, "planetdiff")) { osmdata->filetype = FILETYPE_PLANETDIFF; osmdata->action = ACTION_NONE; } else { fprintf( stderr, "Unknown XML document type: %s\n", name ); exit_nicely(); } return; } tokens=1; token[0] = line; for (i=line; *i; i++) { if (quote) { if (*i == '"') { quote = 0; } } else { if (*i == '"') { quote = 1; } else if (isspace(*i)) { *i = 0; token[tokens++] = i + 1; } } } if (!strcmp(name, "node")) { xid = extractAttribute(token, tokens, "id"); xlon = extractAttribute(token, tokens, "lon"); xlat = extractAttribute(token, tokens, "lat"); assert(xid); assert(xlon); assert(xlat); osmdata->osm_id = strtoosmid((char *)xid, NULL, 10); osmdata->node_lon = strtod((char *)xlon, NULL); osmdata->node_lat = strtod((char *)xlat, NULL); osmdata->action = ParseAction(token, tokens, osmdata); if (osmdata->osm_id > osmdata->max_node) osmdata->max_node = osmdata->osm_id; if (osmdata->count_node == 0) { time(&osmdata->start_node); } osmdata->count_node++; if (osmdata->count_node%10000 == 0) printStatus(osmdata); } else if (!strcmp(name, "tag")) { xk = extractAttribute(token, tokens, "k"); assert(xk); /* 'created_by' and 'source' are common and not interesting to mapnik renderer */ if (strcmp((char *)xk, "created_by") && strcmp((char *)xk, "source")) { char *p; xv = extractAttribute(token, tokens, "v"); assert(xv); while ((p = strchr(xk, ' '))) *p = '_'; addItem(&(osmdata->tags), xk, (char *)xv, 0); } } else if (!strcmp(name, "way")) { xid = extractAttribute(token, tokens, "id"); assert(xid); osmdata->osm_id = strtoosmid((char *)xid, NULL, 10); osmdata->action = ParseAction(token, tokens, osmdata); if (osmdata->osm_id > osmdata->max_way) osmdata->max_way = osmdata->osm_id; if (osmdata->count_way == 0) { time(&osmdata->start_way); } osmdata->count_way++; if (osmdata->count_way%1000 == 0) printStatus(osmdata); osmdata->nd_count = 0; } else if (!strcmp(name, "nd")) { xid = extractAttribute(token, tokens, "ref"); assert(xid); osmdata->nds[osmdata->nd_count++] = strtoosmid( (char *)xid, NULL, 10 ); if( osmdata->nd_count >= osmdata->nd_max ) realloc_nodes(osmdata); } else if (!strcmp(name, "relation")) { xid = extractAttribute(token, tokens, "id"); assert(xid); osmdata->osm_id = strtoosmid((char *)xid, NULL, 10); osmdata->action = ParseAction(token, tokens, osmdata); if (osmdata->osm_id > osmdata->max_rel) osmdata->max_rel = osmdata->osm_id; if (osmdata->count_rel == 0) { time(&osmdata->start_rel); } osmdata->count_rel++; if (osmdata->count_rel%10 == 0) printStatus(osmdata); osmdata->member_count = 0; } else if (!strcmp(name, "member")) { xrole = extractAttribute(token, tokens, "role"); assert(xrole); xtype = extractAttribute(token, tokens, "type"); assert(xtype); xid = extractAttribute(token, tokens, "ref"); assert(xid); osmdata->members[osmdata->member_count].id = strtoosmid( (char *)xid, NULL, 0 ); osmdata->members[osmdata->member_count].role = strdup( (char *)xrole ); /* Currently we are only interested in 'way' members since these form polygons with holes */ if (!strcmp(xtype, "way")) osmdata->members[osmdata->member_count].type = OSMTYPE_WAY; else if (!strcmp(xtype, "node")) osmdata->members[osmdata->member_count].type = OSMTYPE_NODE; else if (!strcmp(xtype, "relation")) osmdata->members[osmdata->member_count].type = OSMTYPE_RELATION; osmdata->member_count++; if( osmdata->member_count >= osmdata->member_max ) realloc_members(osmdata); } else if (!strcmp(name, "add") || !strcmp(name, "create")) { osmdata->action = ACTION_MODIFY; /* Turns all creates into modifies, makes it resiliant against inconsistant snapshots. */ } else if (!strcmp(name, "modify")) { osmdata->action = ACTION_MODIFY; } else if (!strcmp(name, "delete")) { osmdata->action = ACTION_DELETE; } else if (!strcmp(name, "bound")) { /* ignore */ } else if (!strcmp(name, "bounds")) { /* ignore */ } else if (!strcmp(name, "changeset")) { /* ignore */ } else { fprintf(stderr, "%s: Unknown element name: %s\n", __FUNCTION__, name); } /* Collect extra attribute information and add as tags */ if (osmdata->extra_attributes && (!strcmp(name, "node") || !strcmp(name, "way") || !strcmp(name, "relation"))) { char *xtmp; xtmp = extractAttribute(token, tokens, "user"); if (xtmp) { addItem(&(osmdata->tags), "osm_user", (char *)xtmp, 0); } xtmp = extractAttribute(token, tokens, "uid"); if (xtmp) { addItem(&(osmdata->tags), "osm_uid", (char *)xtmp, 0); } xtmp = extractAttribute(token, tokens, "version"); if (xtmp) { addItem(&(osmdata->tags), "osm_version", (char *)xtmp, 0); } xtmp = extractAttribute(token, tokens, "timestamp"); if (xtmp) { addItem(&(osmdata->tags), "osm_timestamp", (char *)xtmp, 0); } } }